CogBlob.ConnectivityMinPixels Property

CogBlob ConnectivityMinPixels Property

Cognex VisionPro 9.5

The minimum size, in pixels, of features that will not be cleaned up during connectivity cleanup. ConnectivityCleanup is not available when connectivity mode is set to whole image, in which case the cleanup and minimum pixels settings are simply ignored.

Namespace: Cognex.VisionPro.Blob
Assembly: Cognex.VisionPro.Blob (in Cognex.VisionPro.Blob.dll) Version: 69.0.0.0

Syntax

C++

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public int ConnectivityMinPixels { get; set; }

public int ConnectivityMinPixels { get; set; }

Public Property ConnectivityMinPixels As Integer 
	Get 
	Set

Public Property ConnectivityMinPixels As Integer 
	Get 
	Set

public:
property int ConnectivityMinPixels {
	int get ();
	void set (int value);
}

public:
property int ConnectivityMinPixels {
	int get ();
	void set (int value);
}

Property Value

Type: Int32
The default is 10.

Events

Event Type	Reason
ICogChangedEvent Changed	Fires when the value of this property changes. The following state flag may be affected: SfConnectivityMinPixels

Event Type

Reason

ICogChangedEvent Changed

Fires when the value of this property changes.

The following state flag may be affected:

SfConnectivityMinPixels

Exceptions

Exception	Condition
ArgumentException	The supplied value is less than zero.

Remarks

Examples

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Imports Cognex.VisionPro
Imports Cognex.VisionPro.Blob

myBlob = New CogBlob
myBlobResults = New CogBlobResults

Private Sub doBlob()
    myBlob.ConnectivityCleanup = CogBlobConnectivityCleanupConstants.Prune
    myBlob.ConnectivityMinPixels = 100
    myBlob.ConnectivityMode = CogBlobConnectivityModeConstants.Labeled
    myBlobResults = myBlob.Execute(anImage, Nothing)
    debug.WriteLine("Count is:" + myBlobResults.GetBlobs.Count.ToString)
End Sub

Imports Cognex.VisionPro
Imports Cognex.VisionPro.Blob

myBlob = New CogBlob
myBlobResults = New CogBlobResults

Private Sub doBlob()
    myBlob.ConnectivityCleanup = CogBlobConnectivityCleanupConstants.Prune
    myBlob.ConnectivityMinPixels = 100
    myBlob.ConnectivityMode = CogBlobConnectivityModeConstants.Labeled
    myBlobResults = myBlob.Execute(anImage, Nothing)
    debug.WriteLine("Count is:" + myBlobResults.GetBlobs.Count.ToString)
End Sub

C++

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using Cognex.VisionPro;
using Cognex.VisionPro.Blob;

private CogBlob myBlob;
private CogBlobResults myBlobResults;

myBlob = new CogBlob();
myBlobResults = new CogBlobResults();

private void doBlob()
{
    myBlob.ConnectivityCleanup = CogBlobConnectivityCleanupConstants.Prune;
    myBlob.ConnectivityMinPixels = 100;
    myBlob.ConnectivityMode = CogBlobConnectivityModeConstants.Labeled;
    myBlob.Execute(anImage, NULL);
    debug.WriteLine("Count is:" + myBlobResults.GetBlobs.Count.ToString);
}

using Cognex.VisionPro;
using Cognex.VisionPro.Blob;

private CogBlob myBlob;
private CogBlobResults myBlobResults;

myBlob = new CogBlob();
myBlobResults = new CogBlobResults();

private void doBlob()
{
    myBlob.ConnectivityCleanup = CogBlobConnectivityCleanupConstants.Prune;
    myBlob.ConnectivityMinPixels = 100;
    myBlob.ConnectivityMode = CogBlobConnectivityModeConstants.Labeled;
    myBlob.Execute(anImage, NULL);
    debug.WriteLine("Count is:" + myBlobResults.GetBlobs.Count.ToString);
}